dent 1200 dental materials lesson 8 waxes. 1. ingredients, form, use, melting processing waxes-...
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DENT 1200 DENT 1200 Dental Dental
Materials Materials Lesson 8 WAXESLesson 8 WAXES
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1. Ingredients, Form, Use, 1. Ingredients, Form, Use, MeltingMelting
• Processing waxes- Boxing, Utility, Sticky
• Pattern waxes- Inlay/Casting, Baseplate
• Impression waxes- Bite registration, Study
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1. Boxing Wax1. Boxing Wax• Replaces patty
base pour technique. Boxing wax goes around impression and then is filled with gypsum. No heat needed.
• Petroleum hydrocarbon & natural resin
Red sheets 1 ½ in wide
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Utility WaxUtility WaxAdapt impression trays, cover rough ortho brackets, red or white ropes, petroleum hydrocarbon and paraffin, No heat.
Ortho= WHITE
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Sticky WaxSticky Wax
Hold items (acrylic) together to make repairs, heat in flame, ORANGE sticks, natural wax & resin
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Inlay Casting WaxInlay Casting WaxBlue or green sticks, heat over open flame, petroleum hydrocarbons, natural resin and wax. ALL INDIRECT RESTorations, makes the pattern of a crown then the wax is replaced with metal
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2. Properties of inlay wax2. Properties of inlay wax• Type A, B or C
Hardness• Melt and leave no
residue
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3. Result of Distortion3. Result of Distortion• If the wax pattern distorts- the
restoration WILL NOT FIT!
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Baseplate WaxBaseplate Wax
Petroleum hydrocarbons and natural wax, PINK SHEETS. Replaces length and width of teeth in denture or partial for try in. Melts with flame or HOT water.
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Occlusal Rims in Baseplate Occlusal Rims in Baseplate waxwax
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Bite Registration WaxBite Registration Wax
Aluwax, paraffin and beeswax, bite registration, no heat or warm water
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Study Wax Study Wax • Beeswax, White blocks of wax used
in educational settings to carve teeth.
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VOCABVOCAB• Amorphous- no definite melt/boil
point, solid but no definite shape• Organic- derived from plant or
animal• Occlusal rims- wax that takes place
of width and ht of teeth• Wax pattern- crown made in wax,
melt, replace metal
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VocabVocab• Bite registration- record of occlusion• Bite wafer- shaped in U• Occlusal indicator wax- thin piece